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General| Brand | Sanyo |
|---|---|
| Model | 2-WAY ECO-i SPW-KR74GXH56A |
| Category | Air Conditioner |
| Language | English |
Details on compressor types, selection rules, capacity control, and protection mechanisms.
Procedures for discharging oil from the oil separator and compressor for inspection.
Automatic and manual backup operation procedures for system continuity during repairs.
Procedures for automatic backup operation when a failure occurs.
Conventional method of backup operation by disconnecting failed units.
Procedures for recovering refrigerant from outdoor units and the entire system.
Flowchart and procedures for refrigerant recovery from indoor units.
Procedure to recover all refrigerant from the entire system.
Pressure checks for leakage in outdoor units and refrigerant tubing.
Leakage check procedure for the outdoor unit after repair.
Checking for leakage in refrigerant tubing between indoor and outdoor units.
Procedures for evacuating repaired outdoor units and refrigerant tubing.
Procedure for evacuating repaired outdoor units and tubing.
Procedures for charging compressor oil, including evacuation drying.
Procedure for charging additional oil after compressor replacement.
Procedures for pumping out refrigerant from outdoor units for repair.
Procedure to pump out refrigerant using the maintenance remote controller.
Procedure to pump out refrigerant when the remote controller is unavailable.
Diagnosis and check methods for compressor troubles.
Procedures for replacing failed compressors individually or all at once.
Step-by-step guide for replacing a single failed compressor.
Procedure for replacing all compressors in a system unit.
Detailed steps for removing and installing inverter and constant-speed compressors.
Procedures for replacing inverter and constant-speed compressors.
Procedures for replacing the 4-way valve from the right side of the unit.
Procedures for replacing the 4-way valve when accessible from the right side.
Procedures for replacing the 4-way valve when access is not from the right side.
Lists possible causes of malfunction and corresponding alarm codes and indicators.
Comprehensive list of alarm codes, meanings, probable causes, and checks.
Alarms related to serial communication, address setting, and unit quantity mismatches.
Troubleshoot sensor failures (discharge, heat exchanger, air temp, intake, pressure).
